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1304 Arosa (1928 KC)
Classification: Outer Main-belt Asteroid          SPK-ID: 2001304
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1192826846362189 4.4997e-08  
a 3.201289582503699 1.5966e-08 au
q 2.819431166804697 1.4833e-07 au
i 18.97842435099352 4.9387e-06 deg
node 86.57095360593712 1.3703e-05 deg
peri 148.6797313727606 2.3614e-05 deg
M 53.5866470325884 1.7998e-05 deg
tp 2458889.084695733539
(2020-Feb-09.58469573)
0.00010494 TDB
period 2092.116520515777
5.73
1.5651e-05
4.285e-08
d
yr
n .1720745457864115 1.2873e-09 deg/d
Q 3.583147998202701 1.787e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2623  
   data-arc span      40891 days (111.95 yr)  
   first obs. used      1908-12-16  
   last obs. used      2020-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40788  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:54:13  

Additional Information
 Earth MOID = 1.81997 au 
 Jupiter MOID = 1.5349 au 
 T_jup = 3.098 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 9.25   n/a E2021B10  
diameter diameter 43.613 km 0.241 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 7.7478 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2002) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Fauerbach, M.; Bennett, T.; Behrend, R.; Bernasconi, L.; Casulli, S. (2006) Minor Planet Bull. 33, 103.]
[Licchelli, D. (2006) Minor Planet Bull. 33, 105-106.]
geometric albedo albedo 0.337   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
SMASSII spectral type spec_B X   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

1304 Arosa (1928 KC)          Discovered 1928-May-21 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1928 KC = 1929 RY = 1934 JL = 1934 LE = 1974 OW = A908 YC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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